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Finding the Fourth Proportional to 342,383.58, 472,291.35 and 206,324.70

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Solution

The fourth proportional to 342,383.58, 472,291.35 and 206,324.70 is: 284,608.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,383.58 : 472,291.35 = 206,324.70 : x
  2. Step 2: Convert to fraction form
    342,383.58/472,291.35 = 206,324.70/x
  3. Step 3: Cross multiply
    342,383.58x = 472,291.35 × 206,324.70
  4. Step 4: Simplify right side
    342,383.58x = 97,445,371,101.35
  5. Step 5: Solve for x
    x = 97,445,371,101.35/342,383.58
  6. Step 6: Final answer
    x = 284,608.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.